Concrete

Definition - What does Concrete mean?

Concrete is a building material that is made from various materials such as gravel, sand, pebbles, crushed stones, cement and water. Since it is made up of many materials, it is considered a composite material. The various aggregates such as gravel and stones are bound together by a mixture of cement and water that hardens over time and provide strength to the concrete.

Corrosionpedia explains Concrete

Various types of concrete are produced depending on its intended purpose, including:

  • Portland cement concrete – This is the common concrete that is used as a building material for residential, industrial and commercial purposes. The cement used in this concrete is rich in alumina content (aluminous cement). This is a lime-based concrete.
  • Asphalt concrete – This type is used primarily for road construction. The role of cement in this case is played by bitumen, which tightly holds and binds the concrete composites in the presence of coal tar at high temperatures.
  • Polymer concrete – This type is used where the cementing material is a polymer.
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